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coldgirl [10]
3 years ago
7

2. A type of firework consists of a cardboard tank mounted on plastic wheels and

Physics
1 answer:
photoshop1234 [79]3 years ago
6 0

Answer:

0.23 m/s².

Explanation:

v=u+ at.

.....

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A hooligan throws a stone vertically down with an initial speed of 17 m/s from the roof of a building 51 metres above the
lisov135 [29]

Answer:

Explanation:

v² = u² + 2as

v² = 17² + 2(-9.8)(-51)

v² = 1,288.6

v = ±35.89707...

v = 36 m/s

7 0
3 years ago
Calculate the momentum of a 147 kg tiger running south at 14.7m/s.
Ganezh [65]
P=mv

2087.4 kg meter/second
7 0
3 years ago
Our modern version was also supported by two other scientists developing theories that conflicted with the Ptolemaic view.Who we
Solnce55 [7]

Our modern version which is a heliocentric model of the universe also supported by other scientists like Nicholas Copernicus and Johannes  Kepler developed theories that conflicted with the Ptolemaic model of the universe developed by Ptolemy in ancient times which assume that the earth is the center of the solar system and all the stars and planets are revolving around it.

<h3>What is a solar system?</h3>

It is a system that collection of all the planets and spatial bodies revolving around the sun because of the gravitational pull of the sun.

Our Solar System is based on a heliocentric model in which the Sun is assumed to reside at the central point of the planetary system.

In other words, the Sun is at the center while the Earth and other planetary bodies revolve around it.

The geocentric model of the universe developed by Ptolemy in ancient times, which holds that the earth is the center of the solar system and that all the stars and planets revolve around it, was in conflict with our modern version, which is a heliocentric model of the universe and also supported by Nicholas Copernicus and Johannes Kepler.

Learn more about Solar systems from here

brainly.com/question/12075871

#SPJ1

4 0
2 years ago
PLEASE ANWER QUESTION FOR 20 POINTS
Alina [70]
D.turns black when iodine is added because other choices are physical like melting, dissolves in water, and 
<span>feels slippery in water</span>
6 0
4 years ago
Read 2 more answers
The nylon cord has an original length L and is tied to a bolt at A and a roller at B. If a force P is applied to the roller, det
Afina-wow [57]

Answer:

Normal strain (Ed') = √∆²+L/L - √∆²+L/L

Explanation:

1. it is important to determine Ed' as Ed' = Ed - Ee

Firstly, we determine the lengths between points AB, AC and AD

For AC: /AC/ = √ ∆²c + L²

For AD: /AD/ = √∆²d + L²

For AB: AB = L

2. To calculate the normal strain for point C

Ec' = |AC| - |AB|/|AB|

Ec' = √∆²c + L² - L/L

Now we determine Ed' from the formular Ed' = Ed - Ec

= √∆²d+L/L - √∆²c+L/L

Therefore,

Ed' = √∆²d+L²/L - √∆²c+L²/L

Ed' stands for normal strain

3 0
3 years ago
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